Physics, 30.04.2021 01:20 madisonhusbands1458
9. A 3.0 C charge and a -4.0 C charge are separated by a distance of.23 m. What is the electric force between the two charges? Is it repulsive or attractive?
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If steel is more dense that lake water, why can a boat float
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Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?
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Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.
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The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
9. A 3.0 C charge and a -4.0 C charge are separated by a distance of.23 m. What is the electric forc...
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